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Finding the Fourth Proportional to 15,999.16, 23,996.04 and 4,309.64

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Solution

The fourth proportional to 15,999.16, 23,996.04 and 4,309.64 is: 6,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.16 : 23,996.04 = 4,309.64 : x
  2. Step 2: Convert to fraction form
    15,999.16/23,996.04 = 4,309.64/x
  3. Step 3: Cross multiply
    15,999.16x = 23,996.04 × 4,309.64
  4. Step 4: Simplify right side
    15,999.16x = 103,414,293.83
  5. Step 5: Solve for x
    x = 103,414,293.83/15,999.16
  6. Step 6: Final answer
    x = 6,463.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.